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Finding the Fourth Proportional to 153,875.70, 230,813.55 and 54,051.30

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Solution

The fourth proportional to 153,875.70, 230,813.55 and 54,051.30 is: 81,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,875.70 : 230,813.55 = 54,051.30 : x
  2. Step 2: Convert to fraction form
    153,875.70/230,813.55 = 54,051.30/x
  3. Step 3: Cross multiply
    153,875.70x = 230,813.55 × 54,051.30
  4. Step 4: Simplify right side
    153,875.70x = 12,475,772,435.12
  5. Step 5: Solve for x
    x = 12,475,772,435.12/153,875.70
  6. Step 6: Final answer
    x = 81,076.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.